結果

問題 No.5006 Hidden Maze
ユーザー brthyyjpbrthyyjp
提出日時 2022-06-12 15:27:58
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 382 ms / 2,000 ms
コード長 2,319 bytes
コンパイル時間 260 ms
実行使用メモリ 99,944 KB
スコア 28,176
平均クエリ数 719.24
最終ジャッジ日時 2022-06-12 15:29:00
合計ジャッジ時間 35,800 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge16
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 258 ms
98,360 KB
testcase_01 AC 341 ms
99,320 KB
testcase_02 AC 170 ms
96,460 KB
testcase_03 AC 354 ms
99,944 KB
testcase_04 AC 370 ms
99,484 KB
testcase_05 AC 345 ms
99,296 KB
testcase_06 AC 344 ms
99,404 KB
testcase_07 AC 348 ms
99,448 KB
testcase_08 AC 357 ms
98,992 KB
testcase_09 AC 342 ms
99,220 KB
testcase_10 AC 180 ms
96,916 KB
testcase_11 AC 346 ms
99,780 KB
testcase_12 AC 338 ms
99,088 KB
testcase_13 AC 243 ms
98,108 KB
testcase_14 AC 335 ms
98,220 KB
testcase_15 AC 346 ms
99,828 KB
testcase_16 AC 338 ms
98,296 KB
testcase_17 AC 234 ms
97,736 KB
testcase_18 AC 333 ms
98,612 KB
testcase_19 AC 343 ms
99,568 KB
testcase_20 AC 230 ms
98,056 KB
testcase_21 AC 338 ms
98,548 KB
testcase_22 AC 167 ms
97,412 KB
testcase_23 AC 235 ms
97,588 KB
testcase_24 AC 334 ms
98,056 KB
testcase_25 AC 349 ms
99,352 KB
testcase_26 AC 340 ms
97,816 KB
testcase_27 AC 341 ms
98,260 KB
testcase_28 AC 341 ms
99,820 KB
testcase_29 AC 171 ms
96,888 KB
testcase_30 AC 261 ms
97,868 KB
testcase_31 AC 358 ms
98,896 KB
testcase_32 AC 342 ms
99,312 KB
testcase_33 AC 265 ms
98,376 KB
testcase_34 AC 214 ms
97,276 KB
testcase_35 AC 353 ms
99,436 KB
testcase_36 AC 221 ms
96,940 KB
testcase_37 AC 339 ms
98,060 KB
testcase_38 AC 343 ms
98,456 KB
testcase_39 AC 214 ms
97,072 KB
testcase_40 AC 163 ms
97,452 KB
testcase_41 AC 212 ms
97,832 KB
testcase_42 AC 222 ms
97,712 KB
testcase_43 AC 349 ms
99,584 KB
testcase_44 AC 345 ms
99,516 KB
testcase_45 AC 382 ms
99,792 KB
testcase_46 AC 347 ms
98,264 KB
testcase_47 AC 300 ms
98,508 KB
testcase_48 AC 336 ms
98,144 KB
testcase_49 AC 327 ms
98,164 KB
testcase_50 AC 348 ms
98,672 KB
testcase_51 AC 171 ms
97,160 KB
testcase_52 AC 208 ms
97,560 KB
testcase_53 AC 337 ms
98,732 KB
testcase_54 AC 355 ms
99,196 KB
testcase_55 AC 191 ms
97,744 KB
testcase_56 AC 221 ms
98,044 KB
testcase_57 AC 344 ms
99,284 KB
testcase_58 AC 338 ms
99,336 KB
testcase_59 AC 354 ms
99,020 KB
testcase_60 AC 157 ms
97,084 KB
testcase_61 AC 226 ms
98,088 KB
testcase_62 AC 330 ms
98,788 KB
testcase_63 AC 356 ms
99,572 KB
testcase_64 AC 350 ms
99,016 KB
testcase_65 AC 176 ms
97,448 KB
testcase_66 AC 163 ms
97,532 KB
testcase_67 AC 350 ms
98,696 KB
testcase_68 AC 324 ms
98,360 KB
testcase_69 AC 335 ms
98,320 KB
testcase_70 AC 253 ms
98,384 KB
testcase_71 AC 229 ms
97,680 KB
testcase_72 AC 290 ms
98,504 KB
testcase_73 AC 339 ms
98,720 KB
testcase_74 AC 352 ms
99,336 KB
testcase_75 AC 346 ms
98,352 KB
testcase_76 AC 343 ms
99,276 KB
testcase_77 AC 341 ms
99,696 KB
testcase_78 AC 336 ms
98,380 KB
testcase_79 AC 315 ms
99,288 KB
testcase_80 AC 163 ms
96,536 KB
testcase_81 AC 282 ms
98,160 KB
testcase_82 AC 332 ms
98,288 KB
testcase_83 AC 165 ms
96,908 KB
testcase_84 AC 159 ms
97,040 KB
testcase_85 AC 361 ms
99,040 KB
testcase_86 AC 340 ms
98,836 KB
testcase_87 AC 332 ms
98,580 KB
testcase_88 AC 345 ms
98,132 KB
testcase_89 AC 341 ms
98,896 KB
testcase_90 AC 348 ms
99,192 KB
testcase_91 AC 156 ms
97,260 KB
testcase_92 AC 360 ms
98,488 KB
testcase_93 AC 323 ms
98,676 KB
testcase_94 AC 328 ms
98,540 KB
testcase_95 AC 351 ms
99,252 KB
testcase_96 AC 155 ms
96,804 KB
testcase_97 AC 331 ms
98,872 KB
testcase_98 AC 335 ms
98,064 KB
testcase_99 AC 325 ms
98,056 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

from collections import deque

def query(s):
    print(''.join(s), flush = True)
    v = int(input())
    if v == -1:
        exit()
    return v

dys = (0, 1, 0, -1)
dxs = (-1, 0, 1, 0)
direcs = "LDRU"
toid = {'L':0, 'D':1, 'R':2, 'U':3}

def reconst(s, l):
    y, x = 0, 0
    for i in range(l):
        dir = toid[s[i]]
        if dir == 0:
            ver[y][x] = 0
        elif dir == 1:
            hor[y+1][x] = 0
        elif dir == 2:
            ver[y][x+1] = 0
        else:
            hor[y][x] = 0
        dy, dx = dys[dir], dxs[dir]
        y, x = y+dy, x+dx
    dir = toid[s[l]]
    if dir == 0:
        ver[y][x] = 1
    elif dir == 1:
        hor[y+1][x] = 1
    elif dir == 2:
        ver[y][x+1] = 1
    else:
        hor[y][x] = 1

h, w, p = map(int, input().split())

start = 0
goal = (h-1)*w+w-1
maxT = 1001
cnt = 0
while cnt < maxT:
    hor = [[-1]*w for i in range(h+1)]
    ver = [[-1]*(w+1) for i in range(h)]

    for x in range(w):
        hor[0][x] = 1
        hor[h][x] = 1

    for y in range(h):
        ver[y][0] = 1
        ver[y][w] = 1

    for iter in range(maxT//2):
        q = deque([])
        q.append(0)
        prev = [-1]*(h*w)
        direction = [-1]*(h*w)
        visit = [False]*(h*w)
        visit[0] = True
        while q:
            v = q.popleft()
            y, x = divmod(v, w)
            for i in range(4):
                dy, dx = dys[i], dxs[i]
                ny = y + dy
                nx = x + dx
                if not (0 <= ny < h and 0 <= nx < w):
                    continue
                if (dx==-1 and ver[y][x]!=1) or (dx==1 and ver[y][x+1] != 1) or (dy==-1 and hor[y][x]!=1) or (dy==1 and hor[y+1][x]!=1):
                    nv = ny*w+nx
                    if not visit[nv]:
                        q.append(nv)
                        prev[nv] = v
                        direction[nv] = i
                        visit[nv] = True
        if visit[goal]:
            cur = goal
            s = []
            while cur != -1:
                if cur != start:
                    dir = direction[cur]
                    s.append(direcs[dir])
                cur = prev[cur]
            s.reverse()
            v0 = query(s)
            v1 = query(s)
            reconst(s, max(v0, v1))
            cnt += 2
        else:
            break
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